8529820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 19686240

約数和(自身を除く): 11156420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 619, 689, 1060, 1238, 1378, 2476, 2756, 3095, 3445, 6190, 6890, 8047, 12380, 13780, 16094, 32188, 32807, 40235, 65614, 80470, 131228, 160940, 164035, 328070, 426491, 656140, 852982, 1705964, 2132455, 4264910, 8529820]

約数ペア:

[(1, 8529820), (2, 4264910), (4, 2132455), (5, 1705964), (10, 852982), (13, 656140), (20, 426491), (26, 328070), (52, 164035), (53, 160940), (65, 131228), (106, 80470), (130, 65614), (212, 40235), (260, 32807), (265, 32188), (530, 16094), (619, 13780), (689, 12380), (1060, 8047), (1238, 6890), (1378, 6190), (2476, 3445), (2756, 3095)]